Question about 1994 Volvo 850
Had a simmilar problem with my volvo 850 an engineer ? RAC told me my valves had bent as it was turning over but had no compression ?. I spent £400 having the head done replaced it and after 6 moths same again. Came out one morning not starting turning over but dead not a glimmer .
Then an old guy who was passing said try changing your oil grade ? and squirta a litlle into your cylinders .
I thought well anything is worth a try so I did an oil change and sqiurted some into each cylinder left it ten minutes like he said .
Came back out and with fingers crossed turned the key and she burst into life on the first tunn , seems it's a common fault with the 850 the oil thins drains out of the head and it looses compression , what I want to know where was that old guy the first time around he could have saved me £400 ....Vortash
Posted on May 10, 2009
FIRST CHECK THE FUSE IT IS THE FIRST OR SECOND ONE IN THE FUSE BLOCK NEXT IS TO PUT A SHOT OF EITHER IN AIR BOX AND SEE IF IT KICKS AND NEXT IS TO CHECK THE IGNITION SYSTEM FOR SPARK AND TIMING BELT FOR PROPER TIMING
Posted on May 05, 2009
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Posted on Jan 02, 2017
it is probally due to an evap -code and never refuel with engine running go to a parts store and get the code and erase code and go to have car inspected right away and put a bottle of emission reducer in tank WITH 1/8 OF FUEL and then put it on machine and you should be ok
Posted on May 18, 2009
I do not have the service manual, but the page below can help you: Copy and paste the link below on your browser address bar (eg. on Internet Explorer): http://www.volvoclub.org.uk/faq/EngineSensors.html
Posted on Jun 06, 2009
ok, turning over and cranking are the same thing, what your saying is it won't fire, so , 2 things make a motor fire, electric and fuel, so starting with the easiest remedy , remove the distributor cap, and inspect the rotor and connection points that are inside the cap, check for any debris built up , sometimes you can clean them good enough to get the car to fire up, if it does , normally you would replace them , ( not that expensive) remove the number one cylinder spark plug, and once out put the spark plug wire back on it, ( your going to need help with this step) with insulated pliers , hold the plug and place the bottom of the plug against a grounding point (any bolt on the motor will do,, but try and keep it away from the carb as its Hopefully going to spark) have someone try and turn the car over as if to start it, look for spark at the end of the plug, if you have spark,, replace the plug and try and start the car , if it won't,, move onto the fuel problem, you need to make sure that the car is getting fuel, remove the fuel line to the carb turn the key for a second, you should see fuel splashing out, if yes ,, you should be able to start the car , if no,, check the fuel filter first , then the fuel pump,
Posted on Jul 22, 2011
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